प्रश्न 1Single Answer
8 वर्ष की आयु में रमेश ने अपनी ऊँचाई चिन्हित करने के लिए एक विशाल वृक्ष में कील ठोकी। यदि वृक्ष के बढ़ने की दर 2 सेंमी प्रति वर्ष है तो 5 वर्ष पश्चात कील अपनी पूर्वावस्था से कितनी और ऊँची होगी?
Subjects : Life Science
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